Ceiling fan



FIG. 1 is a bottom perspective view of a ceiling fan;

FIG. 2 is a front view of the ceiling fan of FIG. 1;

FIG. 3 is a top view of the ceiling fan of FIG. 1; and,

FIG. 4 is a bottom view of the ceiling fan of FIG. 1.

The broken lines represent portions of the structure that forms no part of the claim. 

CLAIM The ornamental design for a ceiling fan, as shown and described. 